Calculations¶

In this section,I will show some interesting calculations and relative problems in my research time.I think these can help me and you a lot if you are interested in my research. Also,if you encounter some problems,you can email me and I am very glad to communicate with you.

Python Calculations¶

Basic Calculations¶

Python Problems¶

Problem 1

Sometimes we may suffer some problems of python intepreters in Ubuntu system.And we should know how to change python intepreter.我们使用update-alternatives来为整个系统更改python默认版本

具体命令`a link`：

sudo update-alternatives –list python

ls -l /usr/bin/python /usr/bin/python3

sudo update-alternatives –install /usr/bin/python python /usr/bin/python2.7 1

sudo update-alternatives –install /usr/bin/python python /usr/bin/python3.6 2

sudo update-alternatives –list python

sudo update-alternatives –config python